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lesya [120]
4 years ago
15

7) Number of Calendars Cost 6 $114 8 $144 10 $160 15 $180 20 $300 A gift store is ordering calendars to resell. The table shows

the cost for the given number of calendars. What is the best value?
Mathematics
1 answer:
laila [671]4 years ago
6 0

Answer:

The best value is \$ 180 for 15 calendars.

Step-by-step explanation:

Lets find out the unit cost of each calendars with different prices given here.

  • The price of 6 calendars is \$ 114.

Unit cost of these calendars = \frac{114}{6} = \$ 19

  • The price of 8 calendars is \$ 144.

Unit cost of these calendars = \frac{144}{8} = \$ 18.

  • The price of 10 calendars is \$ 160.

Unit cost of these calendars = \frac{160}{10} = \$ 16.

  • The price of 15 calendars is \$ 180.

Unit cost of these calendars = \frac{180}{15} = \$ 12.

  • The price of 20 calendars is \$300.

Unit cost of these calendars = \frac{300}{20} = \$ 15.

So the best value from customer point of view is the lowest unit cost.

And the lowest cost is being offered for 15 calendars \ @\ 12\$ per calendar.

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F (x) = -4x² + 10x + 13
Alexus [3.1K]

Answer:

f(7) = -113

Step-by-step explanation:

Hello!

Substitute 7 for x in the equation.

<h3>Evaluate</h3>
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  • f(7) = -4(7)² + 10(7) + 13
  • f(7) = -4(49) + 70 + 13
  • f(7) = -196 + 70 + 13
  • f(7) = -113

f(7) is -113.

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